A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 4140-00-170-5152
NSN 5975-00-171-3608
NSN 6145-01-634-0388
NSN 5996-01-238-2656
NSN 6105-01-388-4514
NSN 6610-01-308-0239
NSN 6135-01-592-4139
NSN 5920-01-585-8112
NSN 5910-00-439-3785
NSN 6135-01-263-4073
NSN 5945-00-105-7872
NSN 5905-01-489-5756